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TIMSS (Trends in International Mathematics and Science Study)

An international study of maths and science achievement at grades 4 and 8, run by the IEA every four years.

Stands for
Trends in International Mathematics and Science Study
Used in
International
Topic
Assessment

Being checked against official sources. This definition is written in our own words; always check the official guidance for your country.

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PISA (Programme for International Student Assessment) International
An OECD study every three years testing 15-year-olds in reading, maths and science across many countries.
PIRLS (Progress in International Reading Literacy Study) International
An international study of reading at grade 4, run by the IEA every five years.

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